Display tower



FIG. 1 is a perspective view showing my new design for a display tower,

FIG. 2 is a front view thereof, the rear view being a mirror image thereof,

FIG. 3 is a left side view thereof, the right side view being a mirror image thereof,

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof. 

CLAIM The ornamental design for a display tower, as shown and described. 